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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: SKYLINE
  • Model Number: 8 ports gsm modem
  • Support: USSD
  • Module model: M35-8
  • Frequency: 850/900/1800/1900MHz
  • Interface type: USB/RS232
  • sim card slot: 8
  • weight: 3
  • color: black
  • Network: GSM
  • warranty: one year
  • Send: bulk sms/ mms

Packaging & Delivery

Packaging Details 48cm x 19cm x 20cm
Delivery Time 1-3days

 Hot sell multi sim card 8 ports  sms  bulk gsm modem support imei change voip sms modem


GSM SMS Modem 8 sim cards, RS232/USB, BULK SMS/MMS(M35-8), quad band modem for sending and Receiving Bulky SMS,.The device built-in 8 wireless modules be inserted 8 SIM cards use 8 cards to send text messages. Send speed as 8 times as a single channel modem. It uses the development of QUECTEL module, 220V power supply be a long time stability, generous luxury housing. It is working compatible with windows 2008 R2, Windows 7, Vista, XP, 2006/2000, 98SE/CE, LINUX.

M35-8     8 ports can be inserted with 8 sim cards

M35-16    16 ports can be inserted with 16 sim cards

M35-32    32 ports can be inserted with 32 sim cards

M35-64    64 ports can be inserted with 64 sim cards


GSM modem specification

1. our gsm modem is made of Quectel module M35 module

2. support Quad band 850/900/1800/1900 MHZ

3. can change IMEI conveniently for unlimited times via AT command

4. can send 1000-1500 sms per ports per hour

5. Voice function to make calls by AT command

radio-frequency performance

 double frequency(SM/GPRS 900/1800 MHz,  EGSM900/1900MHz)

  Rx (EGSM 900) : 925 to 960 MHz

  Tx (EGSM 900) : 880 to 915 MHz

  Rx (GSM 1800) : 1805 to 1880 MHz

  Tx (GSM 1800) : 1710 to 1785 MHz

  Rx (GSM 1900) : 1930 to 1990 MHz

  Tx (GSM 1900) : 1850 to 1910 MHz

  quad-band: 900/1800MHz,850/1900MHz

 support  MT, MO, CB, Text and PDU mode

Power consumption

 voltage : 3.6V 



Single-channel input V:


Single-channel input C:

   MAX 1.7A, average 270MA

Baud rate:

      default 9600bps(SMS), 115200bps(MMS)

Transmit-receive rate:

   720-900 sms /Hour

AT command control standards:

      GSM07.07, GSM07.05 


     50 ohm,3dB gain


standard 1Urd 1U 

Range of temperature: 

- 20℃ to +55℃  working

- 25℃ to +70℃  conserve





SIM interface:

   1/8/16/32/64  SIM cards slot

Antenna interface:

     SMA antenna

1, Insert Sim card into device

2,Install Driver

3,Install the software,we can provide you the SMS Caster for free to send bulk sms.

Packaging & Shipping

Packaging & Shipping


FAQ explain

How many kinds of modem for GSM module?


there is M35 and  GC65 module for gsm sms modem ,UC15 for 3G (wcdma) modem

How about our service?


We have professional engineer to help you about all your tech problems anytime,the satisfaction of our customers is our greatest desire.


What is our main express shipment?


DHL,UPS,FEDEX,TNT,EMS(can ship to anywhere all over the world)


How long we're warranty ?


one year or more


During warranty time,if have problem,how to do?


we'll test by teamviewer or send back,we'll exchange new in free.


How long about our techinical support?


in free,forever

Our Services

1. Warranty: 1 year
2. Tech supports for free forever
3. Provide software" SMS CASTER" for free to send bulk sms. 

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The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $55,000
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